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Paper Abstract and Keywords
Presentation 2025-12-08 09:45
A Theoretical Comparison of Solution Accuracy and Localization Availability in Various TOA-Based Methods
Hiroki Komiyama, Takeshi Amishima, Shuntaro Arao (Meiji Univ), Yasuyuki Kakubari, Junichi Naganawa (ENRI) SANE2025-82
Abstract (in Japanese) (See Japanese page) 
(in English) Given the increasing demand for Indoor localization technologies that leverage wireless communication, a wide range of techniques utilizing Time of Arrival (TOA) measurements have been proposed in recent years. Once TOA data are obtained, the next crucial step is to estimate the position of the target node using appropriate localization algorithms. Although numerous methods have been developed for this purpose, few papers provide a theoretical comparison of these techniques . In this paper, we provide a theoretical analysis comparing the relationships among Linear Least Squares (LLS), Weighted Linear Least Squares (WLLS), and Taylor Series (TS) which are widely used in TOA-based localization techniques.
Keyword (in Japanese) (See Japanese page) 
(in English) TOA Localization / Linear Least Squares / Taylor series method / Error analysis / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 280, SANE2025-82, pp. 7-13, Dec. 2025.
Paper # SANE2025-82 
Date of Issue 2025-12-01 (SANE) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee SANE  
Conference Date 2025-12-08 - 2025-12-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Meiji University Surugadai Campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Radar image processing, Signal processing, EM measurement, Machine learning and general 
Paper Information
Registration To SANE 
Conference Code 2025-12-SANE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Theoretical Comparison of Solution Accuracy and Localization Availability in Various TOA-Based Methods 
Sub Title (in English)  
Keyword(1) TOA Localization  
Keyword(2) Linear Least Squares  
Keyword(3) Taylor series method  
Keyword(4) Error analysis  
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Keyword(6)  
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1st Author's Name Hiroki Komiyama  
1st Author's Affiliation Meiji University (Meiji Univ)
2nd Author's Name Takeshi Amishima  
2nd Author's Affiliation Meiji University (Meiji Univ)
3rd Author's Name Shuntaro Arao  
3rd Author's Affiliation Meiji University (Meiji Univ)
4th Author's Name Yasuyuki Kakubari  
4th Author's Affiliation Electronic Navigation Research Institute (ENRI)
5th Author's Name Junichi Naganawa  
5th Author's Affiliation Electronic Navigation Research Institute (ENRI)
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Speaker Author-1 
Date Time 2025-12-08 09:45:00 
Presentation Time 20 minutes 
Registration for SANE 
Paper # SANE2025-82 
Volume (vol) vol.125 
Number (no) no.280 
Page pp.7-13 
#Pages 7 
Date of Issue 2025-12-01 (SANE) 

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